<p><strong>Fig. 7.12.</strong> (<strong>A</strong>) Fossil leaf of <em>Ginkgo biloba</em>, a tree species that was alive in the Mesozoic era and has survived to present day.</p>

Fig. 7.12. (A) Fossil leaf of Ginkgo biloba, a tree species that was alive in the Mesozoic era and has survived to present day.

Image courtesy of Dr. Anders Sandberg, Flickr